JP5567077B2 - 回転機械 - Google Patents

回転機械 Download PDF

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Publication number
JP5567077B2
JP5567077B2 JP2012184444A JP2012184444A JP5567077B2 JP 5567077 B2 JP5567077 B2 JP 5567077B2 JP 2012184444 A JP2012184444 A JP 2012184444A JP 2012184444 A JP2012184444 A JP 2012184444A JP 5567077 B2 JP5567077 B2 JP 5567077B2
Authority
JP
Japan
Prior art keywords
seal
pressure side
swirl
gap
steam
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP2012184444A
Other languages
English (en)
Japanese (ja)
Other versions
JP2014066134A (ja
Inventor
祥弘 桑村
浩一 石坂
能幸 岡部
和幸 松本
宏治 大山
秀和 上原
良典 田中
西本  慎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Heavy Industries Ltd
Original Assignee
Mitsubishi Heavy Industries Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP2012184444A priority Critical patent/JP5567077B2/ja
Application filed by Mitsubishi Heavy Industries Ltd filed Critical Mitsubishi Heavy Industries Ltd
Priority to EP13830717.8A priority patent/EP2894299B1/de
Priority to CN201380038661.7A priority patent/CN104508253B/zh
Priority to KR1020157001364A priority patent/KR20150027225A/ko
Priority to PCT/JP2013/072537 priority patent/WO2014030734A1/ja
Priority to KR1020167033028A priority patent/KR102145862B1/ko
Priority to US14/418,231 priority patent/US9879786B2/en
Publication of JP2014066134A publication Critical patent/JP2014066134A/ja
Application granted granted Critical
Publication of JP5567077B2 publication Critical patent/JP5567077B2/ja
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/32Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3284Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings characterised by their structure; Selection of materials
    • F16J15/3292Lamellar structures
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/122Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material
    • F01D11/125Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with erodable or abradable material with a reinforcing structure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D11/00Preventing or minimising internal leakage of working-fluid, e.g. between stages
    • F01D11/08Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator
    • F01D11/12Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part
    • F01D11/127Preventing or minimising internal leakage of working-fluid, e.g. between stages for sealing space between rotor blade tips and stator using a rubstrip, e.g. erodible. deformable or resiliently-biased part with a deformable or crushable structure, e.g. honeycomb
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D25/00Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01DNON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
    • F01D5/00Blades; Blade-carrying members; Heating, heat-insulating, cooling or antivibration means on the blades or the members
    • F01D5/12Blades
    • F01D5/22Blade-to-blade connections, e.g. for damping vibrations
    • F01D5/225Blade-to-blade connections, e.g. for damping vibrations by shrouding
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15DFLUID DYNAMICS, i.e. METHODS OR MEANS FOR INFLUENCING THE FLOW OF GASES OR LIQUIDS
    • F15D1/00Influencing flow of fluids
    • F15D1/10Influencing flow of fluids around bodies of solid material
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/16Sealings between relatively-moving surfaces
    • F16J15/18Sealings between relatively-moving surfaces with stuffing-boxes for elastic or plastic packings
    • F16J15/20Packing materials therefor
    • F16J15/22Packing materials therefor shaped as strands, ropes, threads, ribbons, or the like
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • F16J15/444Free-space packings with facing materials having honeycomb-like structure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16JPISTONS; CYLINDERS; SEALINGS
    • F16J15/00Sealings
    • F16J15/44Free-space packings
    • F16J15/447Labyrinth packings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05DINDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00Components
    • F05D2240/55Seals
    • F05D2240/59Lamellar seals

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Turbine Rotor Nozzle Sealing (AREA)
  • Sealing Using Fluids, Sealing Without Contact, And Removal Of Oil (AREA)
  • Sealing Devices (AREA)
JP2012184444A 2012-08-23 2012-08-23 回転機械 Expired - Fee Related JP5567077B2 (ja)

Priority Applications (7)

Application Number Priority Date Filing Date Title
JP2012184444A JP5567077B2 (ja) 2012-08-23 2012-08-23 回転機械
CN201380038661.7A CN104508253B (zh) 2012-08-23 2013-08-23 回转机械
KR1020157001364A KR20150027225A (ko) 2012-08-23 2013-08-23 회전 기계
PCT/JP2013/072537 WO2014030734A1 (ja) 2012-08-23 2013-08-23 回転機械
EP13830717.8A EP2894299B1 (de) 2012-08-23 2013-08-23 Rotationsmaschine
KR1020167033028A KR102145862B1 (ko) 2012-08-23 2013-08-23 회전 기계
US14/418,231 US9879786B2 (en) 2012-08-23 2013-08-23 Rotary machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2012184444A JP5567077B2 (ja) 2012-08-23 2012-08-23 回転機械

Publications (2)

Publication Number Publication Date
JP2014066134A JP2014066134A (ja) 2014-04-17
JP5567077B2 true JP5567077B2 (ja) 2014-08-06

Family

ID=50150037

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2012184444A Expired - Fee Related JP5567077B2 (ja) 2012-08-23 2012-08-23 回転機械

Country Status (6)

Country Link
US (1) US9879786B2 (de)
EP (1) EP2894299B1 (de)
JP (1) JP5567077B2 (de)
KR (2) KR102145862B1 (de)
CN (1) CN104508253B (de)
WO (1) WO2014030734A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107208807A (zh) * 2015-01-27 2017-09-26 三菱日立电力系统株式会社 旋转机械

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101660204B1 (ko) * 2013-04-03 2016-09-26 미츠비시 쥬고교 가부시키가이샤 회전 기계
CN105359377B (zh) * 2013-06-11 2019-04-26 松下知识产权经营株式会社 充电装置及车辆
JP6675262B2 (ja) * 2016-05-09 2020-04-01 三菱日立パワーシステムズ株式会社 シールセグメント及び回転機械
US10822977B2 (en) * 2016-11-30 2020-11-03 General Electric Company Guide vane assembly for a rotary machine and methods of assembling the same
KR101771216B1 (ko) * 2017-01-04 2017-09-05 터보파워텍(주) 터빈용 복합 실링장치
JP6831732B2 (ja) * 2017-03-23 2021-02-17 三菱パワー株式会社 軸シール装置、回転機械
JP6986426B2 (ja) * 2017-11-29 2021-12-22 三菱重工業株式会社 タービン
JP7086595B2 (ja) * 2017-12-28 2022-06-20 三菱重工航空エンジン株式会社 航空機用ガスタービン
US11041398B2 (en) 2018-06-08 2021-06-22 Pratt & Whitney Canada Corp. Controlled gap seal with surface discontinuities
KR102509379B1 (ko) * 2018-08-08 2023-03-14 미츠비시 파워 가부시키가이샤 회전 기계 및 시일 부재
JP7145775B2 (ja) * 2019-01-31 2022-10-03 三菱重工業株式会社 回転機械
JP7370226B2 (ja) * 2019-11-19 2023-10-27 三菱重工業株式会社 蒸気タービン

Family Cites Families (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3572728A (en) * 1968-06-17 1971-03-30 Gen Eelctric Co Rotary seal
GB1560974A (en) * 1977-03-26 1980-02-13 Rolls Royce Sealing system for rotors
US4420161A (en) * 1982-05-10 1983-12-13 General Electric Company Rotor stabilizing labyrinth seals for steam turbines
JPS6123804A (ja) * 1984-07-10 1986-02-01 Hitachi Ltd タ−ビン段落構造
DE69204861T2 (de) * 1991-01-30 1996-05-23 United Technologies Corp Ventilatorgehäuse mit Rezirculationskanälen.
US5318309A (en) * 1992-05-11 1994-06-07 General Electric Company Brush seal
US5607284A (en) * 1994-12-29 1997-03-04 United Technologies Corporation Baffled passage casing treatment for compressor blades
US5586859A (en) * 1995-05-31 1996-12-24 United Technologies Corporation Flow aligned plenum endwall treatment for compressor blades
GB2333137B (en) * 1995-07-28 1999-08-25 Mtu Muenchen Gmbh Brush seal for turbo-engines
JP3382802B2 (ja) 1997-01-13 2003-03-04 三菱重工業株式会社 軸シール
JPH10266804A (ja) * 1997-03-26 1998-10-06 Mitsubishi Heavy Ind Ltd チップシュラウド翼キャビティ
US6139019A (en) * 1999-03-24 2000-10-31 General Electric Company Seal assembly and rotary machine containing such seal
US6585479B2 (en) * 2001-08-14 2003-07-01 United Technologies Corporation Casing treatment for compressors
JP4213398B2 (ja) 2002-04-15 2009-01-21 株式会社東芝 ブラシシール
US6773225B2 (en) 2002-05-30 2004-08-10 Mitsubishi Heavy Industries, Ltd. Gas turbine and method of bleeding gas therefrom
US6837676B2 (en) 2002-09-11 2005-01-04 Mitsubishi Heavy Industries, Ltd. Gas turbine
US7059821B2 (en) * 2003-05-07 2006-06-13 General Electric Company Method and apparatus to facilitate sealing within turbines
JP3950455B2 (ja) 2004-04-20 2007-08-01 三菱重工業株式会社 軸シール用部材及び軸シール機構及び大型流体機械
JP3917993B2 (ja) 2004-08-10 2007-05-23 三菱重工業株式会社 軸シール機構及び軸シール機構をステータに取り付ける構造並びにこれらを備えたタービン。
JP4762512B2 (ja) * 2004-08-13 2011-08-31 株式会社日立製作所 非接触シール構造
CN2735087Y (zh) 2004-08-19 2005-10-19 曹鹏 金属柔齿旋转机械密封结构
JP2006104952A (ja) 2004-09-30 2006-04-20 Toshiba Corp 流体機械の旋回流防止装置
US20060088409A1 (en) 2004-10-21 2006-04-27 General Electric Company Grouped reaction nozzle tip shrouds with integrated seals
US7287956B2 (en) 2004-12-22 2007-10-30 General Electric Company Removable abradable seal carriers for sealing between rotary and stationary turbine components
JP2007120476A (ja) 2005-10-31 2007-05-17 Toshiba Corp 流体機械の旋回流防止装置
CN2830648Y (zh) 2006-01-04 2006-10-25 刘娟玲 多齿波纹片弹性密封装置
JP5228311B2 (ja) * 2006-11-08 2013-07-03 株式会社Ihi 圧縮機静翼
JP2008121512A (ja) 2006-11-10 2008-05-29 Mitsubishi Heavy Ind Ltd ブラシシールおよびこれを用いたタービン
JP2008184974A (ja) 2007-01-30 2008-08-14 Toshiba Corp 流体機械のシール装置および蒸気タービン
EP2105640B1 (de) * 2008-03-28 2011-04-27 Alstom Technology Ltd Blattdichtung für Turbomaschine
US8133014B1 (en) * 2008-08-18 2012-03-13 Florida Turbine Technologies, Inc. Triple acting radial seal
US8262356B2 (en) 2009-01-30 2012-09-11 General Electric Company Rotor chamber cover member having aperture for dirt separation and related turbine
EP2249066A1 (de) * 2009-05-07 2010-11-10 Siemens Aktiengesellschaft Dichtungsanordnung und -verfahren für Dampfturbinen
WO2010146797A1 (ja) 2009-06-16 2010-12-23 三菱重工業株式会社 軸シール装置
JP5517530B2 (ja) 2009-09-03 2014-06-11 三菱重工業株式会社 タービン
JP2011080452A (ja) 2009-10-09 2011-04-21 Mitsubishi Heavy Ind Ltd タービン
US8333557B2 (en) 2009-10-14 2012-12-18 General Electric Company Vortex chambers for clearance flow control
JP5558138B2 (ja) * 2010-02-25 2014-07-23 三菱重工業株式会社 タービン
JP5484990B2 (ja) * 2010-03-30 2014-05-07 三菱重工業株式会社 タービン
US20110280715A1 (en) 2010-05-11 2011-11-17 General Electric Company Curved labyrinth seals
JP5574825B2 (ja) * 2010-05-26 2014-08-20 三菱重工業株式会社 シール構造、これを備えたタービン機械およびこれを備えた発電プラント
JP5725848B2 (ja) * 2010-12-27 2015-05-27 三菱日立パワーシステムズ株式会社 タービン
JP2011106474A (ja) * 2011-03-04 2011-06-02 Toshiba Corp 軸流タービン段落および軸流タービン
US9255486B2 (en) 2011-03-28 2016-02-09 General Electric Company Rotating brush seal
US9249667B2 (en) * 2012-03-15 2016-02-02 General Electric Company Turbomachine blade with improved stiffness to weight ratio
US9291061B2 (en) * 2012-04-13 2016-03-22 General Electric Company Turbomachine blade tip shroud with parallel casing configuration
JP2014020509A (ja) * 2012-07-20 2014-02-03 Toshiba Corp シール装置、軸流タービン、および発電プラント
JP5985351B2 (ja) * 2012-10-25 2016-09-06 三菱日立パワーシステムズ株式会社 軸流タービン

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107208807A (zh) * 2015-01-27 2017-09-26 三菱日立电力系统株式会社 旋转机械
CN107208807B (zh) * 2015-01-27 2019-08-27 三菱日立电力系统株式会社 旋转机械
US10738892B2 (en) 2015-01-27 2020-08-11 Mitsubishi Hitachi Power Systems, Ltd. Rotary machine with seal device

Also Published As

Publication number Publication date
CN104508253A (zh) 2015-04-08
KR20150027225A (ko) 2015-03-11
US20150184750A1 (en) 2015-07-02
CN104508253B (zh) 2019-03-19
EP2894299A4 (de) 2016-07-27
KR102145862B1 (ko) 2020-08-19
WO2014030734A1 (ja) 2014-02-27
US9879786B2 (en) 2018-01-30
EP2894299B1 (de) 2018-07-25
EP2894299A1 (de) 2015-07-15
KR20160139053A (ko) 2016-12-06
JP2014066134A (ja) 2014-04-17

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